I'm looking for a down jacket. They all seem to come with numbers but I'm not sure what they mean. For example : 90/10 Down Fill Power 700 What do they mean?
It is well known that a down sleeping bag should be stored as open as possible when not in use, but that can be squeezed and compressed to a very small fraction of its size when necessary (that ...
I've seen several down jackets stating what species of down the jacket is filled with, i.e. Duck, Goose, etc. What are the differences between the various species' down and which is best?